Standardized tests given every two years to measure fourth- and eighth-grade achievement show Mississippi made more progress than any other state.
There's no way to know for sure what causes increases in test scores, but Mississippi has been doing something notable--since 2013, it has been investing to make sure that all of its teachers understand the science of reading.
There's no way to know for sure what causes increases in test scores, but Mississippi has been doing something notable--since 2013, it has been investing to make sure that all of its teachers understand the science of reading.
